[CF-metadata] Geometries in NetCDF Update
dan.hollis at metoffice.gov.uk
Tue Mar 14 04:12:32 MDT 2017
Hi Dave et al,
Thanks for all your work on drafting this proposal. I’ve found some of the previous technical discussions re geometries a bit tricky to follow in detail but your latest text and example are nice and clear.
One thought – If I understand correctly, the number of parts per geometry has to be inferred from node_count and part_node_count. For example, the first geometry has two parts because the first element of node_count (10) equals the sum of the first two elements of part_node_count (5 + 5). Why not simply store the part count itself? i.e. instead of:
node_count = 10, 5;
part_count = 2, 1;
The sum of the elements in part_count (i.e. 3, in this example) would need to equal the number of elements in part_node_count and part_type.
Dan Hollis Climatologist
Met Office Hadley Centre FitzRoy Road Exeter Devon EX1 3PB United Kingdom
Tel: +44 (0)1392 884535 Mob: +44 (0)7342058682 Fax: +44 (0)1392 885681
E-mail: dan.hollis at metoffice.gov.uk<mailto:dan.hollis at metoffice.gov.uk> Website: http://www.metoffice.gov.uk<http://www.metoffice.gov.uk/>
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From: CF-metadata [mailto:cf-metadata-bounces at cgd.ucar.edu] On Behalf Of David Blodgett
Sent: 14 March 2017 01:54
To: CF metadata
Subject: [CF-metadata] Geometries in NetCDF Update
Based on feedback we’ve received and the phone call we held last week, Time Whiteaker and I have worked up a mostly complete new draft of how to store geometries in NetCDF. We’d greatly appreciate more eyes on it if you have time or interest.
It’s been written up in some detail here: https://github.com/twhiteaker/netCDF-CF-simple-geometry/blob/master/README.md
Feel free to open issues in that GitHub repository to track further conversation or follow up on list.
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